Bought a cultivator, need some help

Bought this cultivator last week, finally dry enough to get it off the trailer and into the garden.
How do the internal bits of the lift mechanism work? I have the chain working and turning. The lever pulls the cog thing out and then nothing happens. Thought with the locking cog removed it was supposed to spin and lift the implement up?
Is it a clutch inside?
Any information is helpful, even just the name of that style lift so I can do some research.
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Is it an early John Deere or some other make? As old as that looks, it isn't surprising that the internal parts of the lift are worn enough that they won't function. I don't know the precise name for the type of lift, but it was VERY common on many implements. I don't think there are any adjustments available so it's probably time to take it apart and replace or rebuild the worn parts.

As you thought, it should spin and lift the implement. There is not a clutch inside, but a spring loaded roller mechanism that will drop into the nearest "notch" in the series of notches built into the periphery. The "notches" show in your photo. Another thing that may be wrong is it could be sticking (frozen) from old grease and dirt packed into the mechanism and not letting the spring loaded roller move freely.

My explanation is the way they worked that I am familiar with. That was on John Deere implements and P & O plows.
 
Ah OK that makes sense. I figured I'd be pulling it apart this week so everything has been sprayed with some penetrating oil. Hopefully a good cleaning will do the trick.
Not sure of the make, I have a couple pictures of one almost exactly the same,sold as a Oliver. However as you stated John Deere and others all had versions too.
 
Look for a riveted pin to need replaced as that happened on mine. The insides are pretty simple so just look for worn or broken pins or rollers. It might need a good cleaning too as it might have grease and dirt packed into the dimples where the roller is supposed to drop into to make it lift.
 

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